ETS 300 183 : 20001

Foreword
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Description
6 Procedures
  6.1 Provision and withdrawal
  6.2 Normal procedures
  6.3 Exceptional procedures
7 Intercommunication considerations
  7.1 Interworking with non ISDNs
  7.2 Interworking with private ISDNs
8 Interaction with other supplementary services
  8.1 Advice of charge services
  8.2 Call waiting
  8.3 Call hold
  8.4 Explicit call transfer
  8.5 Number identification services
  8.6 Closed user group
  8.7 Completion of calls to busy subscriber
  8.8 Conference services
  8.9 Direct dialling in
  8.10 Diversion services
  8.11 Freephone
  8.12 Malicious call identification
  8.13 Multiple subscriber number
  8.14 Subaddressing
  8.15 Terminal portability
  8.16 Three party
  8.17 User-to-user signalling
Annex A (informative): Management of active and held
                       calls
  A.1 Introduction
  A.2 Functionality available to the served user
      controlling more than one call
History

Defines the stage one of the Conference Call, add on (CONF) supplementary service for the pan European Integrated Services Digital Network (ISDN) as given by European public telecommunications operators. Defines the interworking requirements of private ISDNs with the public ISDN. Specifies the base functionality where the service is given to the user via private ISDN. Does not specify the additional requirements where the service is given to the user via a telecommunications network that is not an ISDN, but includes interworking requirements of other networks with the public ISDN. The amendment describes the interaction with MCID.